JULIAN CDF, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(044412) JULIAN
From Year=1893 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	182	188	265	369	561	783	1018	1027	857	597	346	155	6348
40 S	182	369	634	1003	1563	2347	3365	4393	5250	5847	6193	6348	6348
45 M	81	94	149	233	409	634	863	872	707	446	214	68	4772
45 S	81	176	325	558	967	1601	2464	3337	4044	4490	4704	4772	4772
50 M	25	34	68	125	269	485	708	717	557	303	109	21	3423
50 S	25	60	128	253	522	1006	1715	2432	2990	3293	3402	3423	3423
55 M	5	6	23	56	151	340	553	563	410	181	42	3	2332
55 S	5	11	34	89	240	580	1134	1696	2106	2287	2329	2332	2332
60 M	0	1	4	22	67	210	399	408	269	88	10	0	1480
60 S	0	2	6	27	94	305	703	1112	1381	1469	1480	1480	1480

Corn Growing Degree Days
50 M	84	103	156	222	344	497	676	679	557	361	188	69	3934
50 S	84	186	342	563	907	1404	2080	2759	3316	3677	3865	3934	3934

M = Monthly Data
S - Running sum of monthly data.
Growing Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu